IC-DC_17 Datasheet, PDF (10/19 Pages) IC-Haus GmbH – 2-CHANNEL BUCK/BOOST DC/DC CONVERTER

iC-DC
2-CHANNEL BUCK/BOOST DC/DC CONVERTER
Rev B1, Page 10/19
ELECTRICAL CHARACTERISTICS
Operating conditions: VB = +4 V to +36 V, RREF = 20 kΩ ±1 %, Tj = -40°C to +125°C, reference is GND (GNDA = GND),
unless otherwise stated.
Item Symbol Parameter
No.
Conditions
Min. Typ.
Voltage Monitoring V1OK, V2OK (x = 1, 2)
701 VtU()lo
Lower Undervoltage Threshold versus VCCxnom
VCCx for VxOK = lo
90
92
702 VtU()hi
Upper Undervoltage Threshold versus VCCxnom
VCCx for VxOK = hi
91
93
703 VtO()lo
Lower Overvoltage Threshold versus VCCxnom
VCCx for VxOK = hi
105 107
704 VtO()hi
Upper Overvoltage Threshold versus VCCxnom
VCCx for VxOK = lo
106 108
705 Vt()hys
Hysteresis Under-/Overvoltage versus VCCxnom
VCCx
0.25
1
706 Vs()lo
Saturation Voltage lo
VxOK = lo;
I() = 4 mA, VCCx ≥ 3 V
I() = 1 mA, VCCx < 3 V
707 Vs()hi
Saturation Voltage hi
Vs()hi = VCCx − V(), VxOK = hi;
I() = -4 mA, VCC2 ≥ 3 V
I() = -1 mA, VCC2 < 3 V
708 Isc()lo
Short-Circuit Current lo
V() = VCCx, VxOK = lo;
VCCx ≥ 3 V
6
VCCx < 3 V
1
709 Isc()hi
Short-Circuit Current hi
V() = 0 V, VxOK = hi;
VCCx ≥ 3 V
VCCx < 3 V
-100
-30
Supply Switches POE1, POE2 (x = 1, 2)
801 Vs()hi
Saturation Voltage hi
Vs()hi = VCCx − V(POEx);
V(VCCx) ≥ 2.5 V, I(POEx) = -10 mA,
V1OK, V2OK = hi
802 Vs()hi
Saturation Voltage hi
Vs()hi = VCCx − V(POEx);
V(VCCx) < 2.5 V; I(POEx) = -5 mA,
V1OK, V2OK = hi
803 Isc()hi
Short-Circuit Current hi
V(POEx) = 0 V; V(VCCx) ≥ 2.5 V,
-40
POEx = hi, V1OK, V2OK = hi
804 Isc()hi
Short-Circuit Current hi
V(POEx) = 0 V; V(VCCx) < 2.5 V,
-30
POEx = hi, V1OK, V2OK = hi
Thermal Shutdown and Error Detection TOK
901 Toff
Thermal Shutdown Threshold
150 160
902 Ton
Restart Temperature
135 150
903 Thys
Temperature Hysteresis
Thys = Toff − Ton
5
10
904 Vs()lo
Saturation Voltage lo
I(TOK) = 5 mA; TOK = lo
905 Isc()lo
Short-Circuit Current lo
V(TOK) = 2..8 V; TOK = lo
10
906 lk()
Leakage Current
V(TOK) = 0..8 V; TOK = hi
-10
Test Input TEST
A01 Vt()hi
Threshold Voltage hi for Com-
0.65
parator test
A02 Vt()lo
Threshold Voltage lo for Com-
parator test
0.5 0.6
A03 Vt()hys Hysteresis at TEST
Vt() = Vt(TEST)hi − Vt(TEST)lo
10
50
A05 Ipd()
Pull-Down Current in TEST
V() = 5.5 V
20
A07 tsu(TEST) Settling Time at V1OK, V2OK V1OK, V2OK changing hi → lo
10
20
A08 tsu(TEST) Settling Time at V1OK, V2OK V1OK, V2OK changing of lo → hi
2
4
Max.
94
95
109
110
1.5
0.4
0.4
0.4
0.4
90
30
-6
-1
0.2
0.2
-12
-6
175
165
20
0.4
20
10
0.75
100
200
30
8
Unit
%VCC2
%VCC2
%VCC2
%VCC2
%VCC2
V
V
V
V
mA
mA
mA
mA
V
V
mA
mA
°C
°C
°C
V
mA
µA
V
V
mV
µA
µs
µs